Oakland police have released the identities of two men who were killed in separate shootings Tuesday.Oakland resident Robert Moore, 28, was shot in the 5800 block of International Boulevard around 5 p.m. and pronounced dead at a hospital,police spokesman Jeff Thomason said.Around 10:35 p.m., Oakland resident Marlon Delcid Mayorga, 41, was shot in the 3200 block of Champion Street and pronounced dead at the hospital, Thomason said.Police have not released any suspect information.Anyone with information regarding either case is asked to call the Police Department’s homicide section at (510) 238-3821.